YOU SAID:

desu himself, i will do it no more i won't can

INTO JAPANESE

自分自身をdesu、私はもうそれをしないだろう、私はできない

BACK INTO ENGLISH

desu myself, I wouldn't do it anymore, I can't

INTO JAPANESE

私自身をdesu、私はもうそれをしないだろう、私はできない

BACK INTO ENGLISH

desu myself, I wouldn't do it anymore, I can't